 March 25, 1991: Unionists (pro-British), nationalists (unified Ireland) and the non-sectarian Alliance Party agree to peace talks, the first since 1976.

 Nov. 10, 1992: Talks between the parties break down, but an outline for a power-sharing Northern Ireland Assembly and all-Ireland institutions is established.

 Dec. 15, 1995: Anglo-Irish Downing Street Declaration lays out principles and assurances that a permanent ceasefire by the Irish Republican Army (IRA) and loyalist paramilitaries will bring inclusion in future all-party talks.

 Aug. 31, 1994: IRA calls a ceasefire. Loyalists follow on Oct. 13.

 April 10, 1998: Good Friday Agreement, backed by Britain and Ireland, creates a new 108-member Assembly, with a power-sharing Executive, and a North/South Ministerial Council for cross-border cooperation.

 May 22, 1998: Voters in Ireland approve the Agreement in separate referendums, with 71% in favor in the north and 94% in the south.

 Dec. 2, 1999: It takes a year and a half to form the Executive, with unionist David Trimble first minister and nationalist Seamus Mallon deputy first minister.